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diff --git a/content/zettel/1c5d.md b/content/zettel/1c5d.md new file mode 100644 index 0000000..c69012e --- /dev/null +++ b/content/zettel/1c5d.md @@ -0,0 +1,19 @@ ++++ +title = "Before or after scheduling" +author = "Yann Herklotz" +tags = [] +categories = [] +backlinks = ["1c5c"] +forwardlinks = ["1c5e"] +zettelid = "1c5d" ++++ + +Register allocation is a tricky optimisation to get right, because there +are a lot of trade-offs on where to place the optimisation. Especially +in high-level synthesis, it's tricky to know where to place these, as +one can target really any architecture. + +In high-level synthesis particularly, it seems like it would be better +to perform the optimisation after scheduling, as one would want as much +freedom for scheduling as possible. This is to get the largest possible +instruction level parallelism. |